package dsa;



public class Test {
	public static void main(String[] args) {
		int id = Welcom.index();
		switch (id) {
		case 1:
			ZhuCe.zc();
			break;
        case 2:
			DengLu.denglu();
			break;
        case 3:
			ChouJiang.choujian();
			break;
		default:
			System.out.println("输入错误已退出！");
			break;
		}
	}
}
